C07C 25/18
Polycyclic aromatic halogenated hydrocarbons
C07C25/18 (Polycyclic aromatic halogenated hydrocarbons) appears on 618 US grants and 503 published applications in this corpus.
Search patents in C07C- Granted patents
- 618
- Published applications
- 503
- Assignees
- 259
- Inventors
- 1,351
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 16 | 0 |
| 1990 | 9 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 15 | 0 |
| 1994 | 13 | 0 |
| 1995 | 8 | 0 |
| 1996 | 9 | 0 |
| 1997 | 9 | 0 |
| 1998 | 12 | 0 |
| 1999 | 15 | 0 |
| 2000 | 10 | 0 |
| 2001 | 26 | 9 |
| 2002 | 20 | 18 |
| 2003 | 20 | 24 |
| 2004 | 12 | 22 |
| 2005 | 13 | 15 |
| 2006 | 18 | 14 |
| 2007 | 14 | 20 |
| 2008 | 12 | 29 |
| 2009 | 11 | 34 |
| 2010 | 19 | 14 |
| 2011 | 23 | 32 |
| 2012 | 19 | 27 |
| 2013 | 15 | 22 |
| 2014 | 26 | 26 |
| 2015 | 36 | 22 |
| 2016 | 24 | 27 |
| 2017 | 15 | 20 |
| 2018 | 15 | 16 |
| 2019 | 21 | 10 |
| 2020 | 14 | 18 |
| 2021 | 8 | 14 |
| 2022 | 15 | 11 |
| 2023 | 8 | 11 |
| 2024 | 11 | 27 |
| 2025 | 5 | 11 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compound, and composition for forming hole transporting layer for perovskite solar cells15 Sep 2026US 12,735,395 B2Tokyo Chemical Industry Co., Ltd.
- Onium salt, resist composition, and patterning process4 Aug 2026US 12,699,318 B2Shin-Etsu Chemical Co., Ltd.
- Onium salt and photoacid generator23 Jun 2026US 12,662,450 B2San-Apro Ltd.
- Compound for organic electronic element, organic electronic element using the same, and an electronic device thereof26 May 2026US 12,637,400 B2Duk San Neolux Co., Ltd.
- Method for producing naphthylsilole, naphthylsilole containing heterocyclic group, and graphene nanoribbon containing heterocyclic group26 May 2026US 12,637,475 B2National University Corporation Tokai National Higher Education and Research System
- Color-tunable upconversion-emission switch based on cocrystal-to-cocrystal transformation30 Jul 2026US 2026/0219545 A1Northwestern University
- Actinic ray-sensitive or radiation-sensitive resin composition, actinic ray-sensitive or radiation-sensitive film, pattern forming method, and method for producing electronic device9 Jul 2026US 2026/0194813 A1FUJIFILM Corporation
- Compound and organic light-emitting device comprising same16 Apr 2026US 2026/0107683 A1LG Chem.Ltd.
- Novel monomer and chemically recyclable polymer material comprising the same26 Mar 2026US 2026/0085055 A1Korea Institute of Science and Technology
- Resist composition, resist pattern forming method, compound and acid diffusion control agent19 Mar 2026US 2026/0079395 A1Tokyo Ohka Kogyo.Co., Ltd.
Most cited
By later US patents
- Conjugated polymers having spiro centers and their use as electroluminescence materials138US 5,621,131 AHoechst Aktiengesellschaft · 1997
- Fluorene-containing polymers and compounds useful in the preparation thereof114US 6,169,163 AThe Dow Chemical Company · 2001
- 2,7-aryl-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers113US 5,708,130 AThe Dow Chemical Company · 1998
- 2, 7-aryl-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers83US 5,962,631 AThe Dow Chemical Company · 1999
- Iodonium salts as latent acid donors81US 6,306,555 B1Ciba Specialty Chemicals Corporation · 2001